5. 2Cu3FeS3 + 702 --> 6Cu + ZFeO + 6SO2 If 25.6 g of CuzFeS3 react with excess O2, and the reaction has an 86.4 % yield of Cu, What mass of Cu is
produced?
PLEASE HELP DUE SOON

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal

How many atoms are in 2 moles of phosphorus?